PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10-78363Nut,self-Locking,hexagon

Unison Industries Llc · NSN 5310-00-274-8867 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-274-8867 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-274-8867. Primary manufacturer part number: 10-78363.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Bearing Surface Type: FLAT
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Nominal Thread Size: 0.138 INCHES IN
  • Thread Quantity Per Inch: 32
  • Surface Treatment: CADMIUM OR ZINC OVERALL
  • Thread Class: 2B
  • Thread Direction: RIGHT-HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Locking Insert construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-274-8867, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Unison Industries Llc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-274-8867
Primary Part Number10-78363
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerUnison Industries Llc
StatusCANCELLED
Bearing Surface TypeFLAT
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Size0.138 INCHES IN
Thread Quantity Per Inch32
Surface TreatmentCADMIUM OR ZINC OVERALL
Thread Class2B
Thread DirectionRIGHT-HAND
Width Across Flats0.312 INCHES NOMINAL IN
MaterialSTEEL LOCKING INSERT
Nut Height0.172 INCHES NOMINAL IN
Nut StyleHEXAGON
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5310-00-208-263152ZE074 INTERCHANGEABLE
Nut,self-Locking,hexagon
Esna, Llc
5310-00-208-4875 INTERCHANGEABLE
Nut,self-Locking,spline
5310-00-208-4880 INTERCHANGEABLE
Nut,self-Locking,spline
5310-00-208-492442ND36-070 INTERCHANGEABLE
Nut,self-Locking,spline
Esna, Llc
5310-00-275-43111106S1032 INTERCHANGEABLE
Nut,self-Locking,plate
Cal-Van Tools Div of Chemi-Trol Chemical Co
5310-00-285-5562 INTERCHANGEABLE
Nut,plain,plate
5325-00-514-27713591-3CN380 INTERCHANGEABLE
Insert,screw Thread
Stanley Engineered Fastening Llc
5310-00-515-8905 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-00-808-260242ND8-428 INTERCHANGEABLE
Nut,self-Locking,spline
Greer Stop Nut, Inc.
Cross-Reference Index
Part NumberManufacturer
7422741P11 Canadian General Electric Co Ltd
10-78363 Amphenol Corp Div Amphenol Aerospace Operations (USA)
7422741P11 General Electric Company (USA)
MILN25027 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
N25027 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AN363-632 Aeronautical Standards Group Dept of Navy and Air Force (USA)
10-78363 PRIMARY Unison Industries Llc (USA)
22FH632 PRIMARY Sps Technologies, Llc Dba PB Fasteners (USA)
Related Parts
5310-00-208-2631INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
52ZE074
5310-00-208-4875INTERCHANGEABLE
NUT,SELF-LOCKING,SPLINE
5310-00-208-4880INTERCHANGEABLE
NUT,SELF-LOCKING,SPLINE
5310-00-208-4924INTERCHANGEABLE
NUT,SELF-LOCKING,SPLINE
42ND36-070
5310-00-275-4311INTERCHANGEABLE
NUT,SELF-LOCKING,PLATE
1106S1032
5310-00-285-5562INTERCHANGEABLE
NUT,PLAIN,PLATE
5325-00-514-2771INTERCHANGEABLE
INSERT,SCREW THREAD
3591-3CN380
5310-00-515-8905INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-00-808-2602INTERCHANGEABLE
NUT,SELF-LOCKING,SPLINE
42ND8-428

Frequently Asked Questions

What is NSN 5310-00-274-8867?

NSN 5310-00-274-8867 is a Nut,self-Locking,hexagon, manufactured by Unison Industries Llc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-274-8867?

NSN 5310-00-274-8867 has 8 cross-referenced part numbers: 7422741P11 (Canadian General Electric Co Ltd), 10-78363 (Amphenol Corp Div Amphenol Aerospace Operations), 7422741P11 (General Electric Company), MILN25027 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), N25027 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 3 more.

What NSN replaces 5310-00-274-8867?

There are 9 known substitutes for 5310-00-274-8867: 5310-00-208-2631, 5310-00-208-4875, 5310-00-208-4880 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10-78363?

Key specifications for 10-78363: Bearing Surface Type: FLAT; Thread Series: UNIFIED NATIONAL COARSE (UNC); Nominal Thread Size: 0.138 INCHES IN; Thread Quantity Per Inch: 32. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-274-8867 still in active supply?

NSN 5310-00-274-8867 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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